field & wave electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/ppt/1&2.pdf · text...
TRANSCRIPT
![Page 2: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/2.jpg)
Introduction• Text Book:
Field and Wave Electromagnetics, (Second Edition)
by David K. Cheng• Teaching Website: http://cms.szu.edu.cn/emc• Course Assessment:
Attendance 15%Homework (Projects, experiment) 15%Final Exam (Open-book Exam) 70%
![Page 3: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/3.jpg)
Contents to be covered (Total 54 hours)
• Chapter 1 The Electromagnetic Model (2)• Chapter 2 Vector Analysis (6)• Chapter 3 Static Electric Fields (6)• Chapter 4 Solution of Electrostatic Problems (6)• Chapter 5 (*) Steady Electric Currents (2)• Chapter 6 Static Magnetic Fields (6)• Chapter 7 Time-Varying Fields and Maxwell’s Equations (6)• Chapter 8 Plane Electromagnetic Waves (6)• Chapter 9 Theory and Applications of Transmission Lines (4)• Chapter 10 (*) Waveguides and Cavity Resonators(4)• Chapter 11 Antennas and Radiating Systems(6)
![Page 4: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/4.jpg)
Chapter 1 The Electromagnetic Model
1.1 The Electromagnetic Spectrum
![Page 5: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/5.jpg)
1.1 The Electromagnetic Spectrum
![Page 6: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/6.jpg)
1.2 Applications of Electromagnetics (EM)
![Page 7: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/7.jpg)
1.2 Applications of Electromagnetics (EM)
![Page 8: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/8.jpg)
1.2 Applications of Electromagnetics (EM)
![Page 9: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/9.jpg)
1.2 Applications of Electromagnetics (EM)
![Page 10: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/10.jpg)
1.2 Applications of Electromagnetics (EM)
![Page 11: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/11.jpg)
1.2 Applications of Electromagnetics (EM)
![Page 12: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/12.jpg)
1.2 Applications of Electromagnetics (EM)
![Page 13: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/13.jpg)
Examples•
Propagation effects cannot be neglected when the signal path is not much smaller than the wavelength (e.g. ~0.1 wavelength)High speed digital circuits
–
System Clock ~ 2GHz
•
Inside the circuit, velocity of electromagneticwave ~ 2x108
m/s
(c is the velocity in vacuum)
–
If signal frequency f = 1GHz, wavelength λ
= 2x108
/ 1x109 = 0.2m
![Page 14: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/14.jpg)
Examples
• High frequency analog circuits– Frequency ~ 1GHz – 10GHz
• Bluetooth• WLAN
• Optical Communications
![Page 15: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/15.jpg)
ExamplesRadiation becomes efficient when the
dimension of conductor larger than 0.1 wavelength
• Consumer electronics
• Electromagnetic interference and compatibility
Electromagnetic Compatibility, or EMC, is the ability of a device, equipment, or system to function satisfactorily in its electromagnetic environment without introducing intolerable electromagnetic disturbances to anything in that environment.
![Page 16: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/16.jpg)
Examples
• Other applications– Linear motor
– Computer
![Page 17: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/17.jpg)
Example: Application of linear motor (Maglev Train)
The Shanghai Transrapid Maglev Line: speed up to 430 km/hr.
Japanese Bullet Train
![Page 18: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/18.jpg)
What are Fields?
• Gravitational Field
• Electric Field
• Magnetic Field
![Page 19: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/19.jpg)
Chapter 2 Vector Analysis 2.1Introduction
2.2 Vector Addition and Subtraction 2.3 Products of Vectors
![Page 20: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/20.jpg)
2.3 Vector Operations (cont.)
![Page 21: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/21.jpg)
2.3 Products of Vectors
![Page 22: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/22.jpg)
2.3 Products of Vectors (cont.)
![Page 23: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/23.jpg)
2.3 Products of Vectors (cont.)
![Page 24: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/24.jpg)
2.3 Products of Vectors (cont.)
![Page 25: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/25.jpg)
2.4 Orthogonal Coordinate Systems
![Page 26: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/26.jpg)
2.4 Orthogonal Coordinate Systems
![Page 27: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/27.jpg)
2.4 Orthogonal Coordinate Systems
![Page 28: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/28.jpg)
2.4 Orthogonal Coordinate Systems
![Page 29: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/29.jpg)
2.4 Orthogonal Coordinate Systems
![Page 30: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/30.jpg)
2.4 Orthogonal Coordinate Systems
![Page 31: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/31.jpg)
2.4 Orthogonal Coordinate Systems
![Page 32: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/32.jpg)
2.4 Orthogonal Coordinate Systems
![Page 33: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/33.jpg)
2.5 Vector Differential Operators
![Page 34: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/34.jpg)
2.5 Vector Differential Operators
![Page 35: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/35.jpg)
2.5 Vector Differential Operators
![Page 36: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/36.jpg)
2.5 Vector Differential Operators
![Page 37: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/37.jpg)
2.5 Vector Differential Operators
![Page 38: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/38.jpg)
2.5 Vector Differential Operators
![Page 39: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/39.jpg)
2.5 Vector Differential Operators
![Page 40: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/40.jpg)
2.5 Vector Differential Operators
![Page 41: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/41.jpg)
2.5 Vector Differential Operators
![Page 42: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/42.jpg)
2.5 Vector Differential Operators
![Page 43: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/43.jpg)
2.5 Vector Differential Operators
![Page 44: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/44.jpg)
2.6 Two Null Identities
![Page 45: Field & Wave Electromagnetics 电磁场与电磁波cms.szu.edu.cn/emc/PPT/1&2.pdf · Text Book: Field and Wave Electromagnetics, (Second Edition) by David K. Cheng. • . ... Light](https://reader030.vdocuments.mx/reader030/viewer/2022012302/5afc2de87f8b9aa34d8bc271/html5/thumbnails/45.jpg)
2.6 Two Null Identities